- Van Reenens Crest
- Aloe pumila, Haworthia pumila; what or who is confused?
- Haworthia mirabilis magnifica, MBB6651, S Riversdale
- The Haworthia pollinator
- Haworthia limifolia – a conundrum or a lesson?
- Very brief note re Haworthia nortieri flowers
- Haworthia marxii and H. truteriorum in relation to rational classification.
- The reality of Drosanthemum micans L.
- New finds in Haworthia
- What do collectors need?
- Righting some misconceptions
- Comments on H. marxii
- Haworthia maculata ↔ Haworthia pubescens, MBB8002 Cilmor
- Addendum Haworthia pubescens MBB8011, SW Sandberg
- Genetic history – the place in Haworthia classification.
- Haworthia mutica (groenewaldii) and its twisted leaves.
- Comprehension and significance
- Habitats
- MBB6694 Kanetvlei, Hex River Valley as a variant of Haworthia nortieri.
- Haworthia minima and pumila flowers
- MBB7989 Haworthia pumila, Lemoenpoort
- Leaf arrangement in Aloe striatula
- Just what do we do with names for Haworthia?
- Nomenclator (2013)
- The absurdity of taxonomy and nomenclature?
- Variable chloracantha
- Leaf sequence in Haworthia emelyae ‘comptoniana’ over a long period
- The science (of plant names)
- What do you think this is?
- Kaboega
- Dunning-Kruger Effect
- Flowering Time
- Morphology
- Fusca
- Cooper Siding: Darkness of Ignorance!
- Species, what species?
- Taxonomy and Fieldwork
- Zuurberg cooperoid
- Maculata
- Clump
- Little physical substance – H. marumiana MBB7681 Lospersberg
- A random note about Haworthia chlorocantha
- Tulista
- Accession
- Cymbiformis Cooperi
- Gulag
- Tulista pumila
- Flowering Time Redux
- Personal Names
- DNA Sequencing
- Mirabilis MBB7513
- Mutica reminiscences
- Closing Thoughts on Haworthia
- Ethical collecting – a conversation